Textbook Question
What are the products of the following reactions?
a.
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Ch. 18 - Reactions of Benzene and Substituted Benzenes
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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Table of contents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 1)31
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 2)65
- Ch. 2 - Acids and Bases: Central to Understanding Organic Chemistry84
- Ch. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and Structure183
- Ch. 4 - Isomers: The Arrangement of Atoms in Space121
- Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics83
- Ch. 6 - The Reactions of Alkenes • The Stereochemistry of Addition Reactions175
- Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis119
- Ch. 8 - Delocalized Electrons: Their Effect on Stability, pKa, and the Products of a Reaction • Aromaticity and Electronic Effects: An Introduction to the Reactions of Benzene148
- Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides212
- Ch. 10 - Reactions of Alcohols, Ethers, Epoxides, Amines, and Sulfur-Containing Compounds131
- Ch. 11 - Organometallic Compounds60
- Ch. 12 - Radicals90
- Ch. 13 - Mass Spectrometry; Infrared Spectroscopy; UV/Vis Spectroscopy62
- Ch. 14 - NMR Spectroscopy95
- Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives123
- Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid Derivatives141
- Ch. 17 - Reactions at the Alpha-Carbon101
- Ch. 18 - Reactions of Benzene and Substituted Benzenes144
- Ch. 19 - More About Amines • Reactions of Heterocyclic Compounds49
- Ch. 20 - The Organic Chemistry of Carbohydrates80
- Ch. 21 - Amino Acids, Peptides, and Proteins57
- Ch. 22 - Catalysis in Organic Reactions and in Enzymatic Reactions35
- Ch. 23 - The Organic Chemistry of the Coenzymes—Compounds Derived from Vitamins1
- Ch. 28 - Pericyclic Reactions58
Chapter 19, Problem 70b
What are the products of the following reactions?
b. 
Verified step by step guidance1
Step 1: Identify the functional groups in the molecule. The given compound contains a carboxylic acid group (-COOH) attached to a benzyl group (benzene ring with a CH2 group).
Step 2: Recognize the reaction conditions. The presence of H+ (acidic conditions) suggests a decarboxylation reaction, which is common for carboxylic acids with a β-carbonyl group.
Step 3: Analyze the structure for decarboxylation. The carboxylic acid group is adjacent to a carbonyl group, making it suitable for decarboxylation under acidic conditions.
Step 4: Predict the mechanism. In acidic conditions, the carboxylic acid group will lose CO2 (carbon dioxide) via a cyclic transition state, leaving behind a ketone group.
Step 5: Determine the product. After decarboxylation, the benzyl group will remain attached to the ketone, resulting in phenylacetone (C6H5-CH2-CO-CH3).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Aromatic Compounds
Aromatic compounds are cyclic structures that follow Huckel's rule, containing a planar ring of atoms with delocalized pi electrons. This delocalization imparts unique stability and reactivity characteristics, making them prone to electrophilic substitution reactions. Understanding the structure and stability of aromatic compounds is crucial for predicting their behavior in chemical reactions.
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Intro to Aromaticity
Carbocation Formation
Carbocations are positively charged species that contain a carbon atom with only six electrons in its valence shell, making them electron-deficient and highly reactive. They often form during reactions involving the loss of a leaving group or protonation of an alkene. Recognizing the conditions under which carbocations form is essential for predicting the products of organic reactions.
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Electrophilic Substitution Reactions
Electrophilic substitution reactions are a class of reactions where an electrophile replaces a hydrogen atom in an aromatic compound. This process typically involves the generation of a carbocation intermediate, followed by deprotonation to restore aromaticity. Understanding the mechanism of these reactions is vital for predicting the products formed when aromatic compounds react with electrophiles.
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Related Practice
Textbook Question
What are the products of the following reactions?
c.
1032
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Textbook Question
Benzene underwent a Friedel–Crafts acylation followed by a Wolff–Kishner reduction. The product gave the following 1H NMR spectrum. What acyl chloride was used in the Friedel–Crafts acylation?
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Textbook Question
What are the products of the following reactions?
a.
1101
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Textbook Question
What are the products of the following reactions?
c.
1168
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Textbook Question
Does m-xylene or p-xylene react more rapidly with Cl2 + FeCl3? Explain your answer.
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